The AOZ1377DI current-limiting switch from Alpha & Omega improves USB-C safety by providing a maximum load current of 7 A at up to 23 V. In addition to programmable current limiting, the switch offers true reverse current blocking, which prevents unwanted reverse current from flowing from VOUT to VIN.
Useful for both sink and source applications, the AOZ13771DI has an input operating voltage range of 3.4 V to 23 V. Both VIN and VOUT terminals are rated at an absolute maximum of 28 V. Integrated back-to-back N-channel MOSFETs provide a typical on-resistance of 19 mΩ and a high safe operating area. In addition, an internal soft-start circuit controls inrush current from high capacitive loads, and an external capacitor can adjust the slew rate.
The protection switch comes in two variants. The AOZ1377DI-01 automatically restarts once fault conditions are cleared. The AOZ1377DI-02 latches the power switch off, and the enable-input pin must be reset to restart the device.
The AOZ1377DI-01 and AOZ1377DI-02 switches cost $1.356 in lots of 1000 units. They are available in production quantities with a lead time of 16 weeks
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